net/mlx4_en: mlx4_en_xmit() reads ring->cons once, and ahead of time to avoid stalls

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Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2014-10-05 12:35:16 +03:00 • committed by David S. Miller

parent fb1843ee72

commit f905c79e12

1 changed files with 11 additions and 5 deletions

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drivers/net/ethernet/mellanox/mlx4/en_tx.c

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